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131450301 = 32291134457
BaseRepresentation
bin1111101010111…
…00010110111101
3100011100100220200
413311130112331
5232122402201
621013234113
73154211013
oct765342675
9304310820
10131450301
1168222614
1238032939
1321305958
141365a8b3
15b818386
hex7d5c5bd

131450301 has 24 divisors (see below), whose sum is σ = 198202680. Its totient is φ = 83844096.

The previous prime is 131450281. The next prime is 131450309. The reversal of 131450301 is 103054131.

131450301 is a `hidden beast` number, since 1 + 314 + 50 + 301 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 4347225 + 127103076 = 2085^2 + 11274^2 .

It is not a de Polignac number, because 131450301 - 26 = 131450237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131450309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27265 + ... + 31721.

It is an arithmetic number, because the mean of its divisors is an integer number (8258445).

Almost surely, 2131450301 is an apocalyptic number.

It is an amenable number.

131450301 is a deficient number, since it is larger than the sum of its proper divisors (66752379).

131450301 is a wasteful number, since it uses less digits than its factorization.

131450301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4605 (or 4602 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 131450301 is about 11465.1777570171. The cubic root of 131450301 is about 508.4565679063.

It can be divided in two parts, 1314 and 50301, that added together give a palindrome (51615).

The spelling of 131450301 in words is "one hundred thirty-one million, four hundred fifty thousand, three hundred one".

Divisors: 1 3 9 29 87 113 261 339 1017 3277 4457 9831 13371 29493 40113 129253 387759 503641 1163277 1510923 4532769 14605589 43816767 131450301